package cn.hxzy.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebFilter("/admin/*")
public class UserFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request= (HttpServletRequest) servletRequest;
        HttpServletResponse response= (HttpServletResponse) servletResponse;
        String requestURI = request.getRequestURI();
        if (request.getRequestURI().endsWith("login")|| request.getRequestURI().endsWith("editUser")){
            filterChain.doFilter(request,response);
            return;
        }else{
            if (request.getSession().getAttribute("loginUser")==null){
                response.sendRedirect("login");
                return;
            }else {
                filterChain.doFilter(request,response);
                return;
            }
        }
    }

    @Override
    public void destroy() {

    }
}
